Rank	Countries/Territories	Count	Percent
1	United States	541	36.5%
2	China	327	22.1%
3	Germany	137	9.3%
4	Korea, Republic of	53	3.6%
5	Netherlands	43	2.9%
6	Romania	37	2.5%
7	Russia	36	2.4%
8	India	36	2.4%
9	Australia	19	1.3%
10	Canada	18	1.2%
11	United Kingdom	18	1.2%
12	Egypt	17	1.1%
13	Italy	12	0.8%
14	Philippines	12	0.8%
15	Poland	10	0.7%
16	Norway	10	0.7%
17	Japan	10	0.7%
18	France	10	0.7%
19	Saudi Arabia	9	0.6%
20	Singapore	7	0.5%
21	Switzerland	7	0.5%
22	Cyprus	7	0.5%
23	Greece	6	0.4%
24	Taiwan	6	0.4%
25	Viet Nam	6	0.4%
26	Thailand	5	0.3%
27	Spain	5	0.3%
28	Hong Kong	5	0.3%
29	Brazil	5	0.3%
30	Ireland	5	0.3%
31	Lithuania	4	0.3%
32	Malaysia	4	0.3%
33	Ukraine	4	0.3%
34	Sweden	3	0.2%
35	Turkey	3	0.2%
36	South Africa	3	0.2%
37	Lebanon	3	0.2%
38	Israel	3	0.2%
39	Iraq	3	0.2%
40	Indonesia	3	0.2%
41	Belgium	3	0.2%
42	Argentina	3	0.2%
43	Armenia	3	0.2%
44	Jordan	2	0.1%
45	Luxembourg	2	0.1%
46	Malta	2	0.1%
47	Mongolia	2	0.1%
48	United Arab Emirates	2	0.1%
49	Portugal	2	0.1%
50	Slovakia	1	0.1%
51	Nepal	1	0.1%
52	Iran, Islamic Republic of	1	0.1%
53	Belarus	1	0.1%
54	Albania	1	0.1%
55	Bulgaria	1	0.1%
56	Czech Republic	1	0.1%
57	Croatia	1	0.1%